package com.zr.controller;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.zr.service.CourseService;

public class SelectAllCourseController  extends HttpServlet{
	CourseService cs = new CourseService();
	@Override
	protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
		// TODO Auto-generated method stub
		doPost(req, resp);
	}
	@Override
	protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
		// TODO Auto-generated method stub
		 String page = req.getParameter("page");
		 String rows = req.getParameter("rows");
		 
		 //初始的记录数
		 int start = (Integer.parseInt(page)-1)*Integer.parseInt(rows);
		 resp.setCharacterEncoding("utf8");
		 PrintWriter  pw = resp.getWriter();
		 
		pw.write(cs.selectAllCourse(start,Integer.parseInt(rows) ).toString());
		 
	}
	
	
}
